This unique device is applied to detect peeping cameras, tapping, cellular phones and other radio frequency devices. Avoid peeping or tapping to protect privacy or protect information being disclosed secretly, and stop disturbance of cellular phones communication within desired control areas. The SH-055 has 3 LEDs. When it discovers a wireless signal, the LEDs will light from Level 1 to Level 2 to Level 3 and the beeping sound will change from Slow to Rapid indicating the strength of detected signal.
The SH-055 has a vibration warning mode when the switch is set to Silent. You also can detect by earphone so that others aren't aware. This unit is specially designed for easy and simple use, without requiring complicated installation or any professional knowledge. | 
